Optical secure image verification system based on ghost imaging

被引：11
|
作者：
Wu, Jingjing [1 ]
Haobogedewude, Buyinggaridi [2 ]
Liu, Zhengjun [3 ]
Liu, Shutian [1 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Heilongjiang Univ, Coll Elect Engn, Harbin 150080, Peoples R China
[3] Harbin Inst Technol, Dept Automat Measurement & Control, Harbin 150001, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2017年 / 399卷
基金：
中国国家自然科学基金;
关键词：
Optical verification; Ghost imaging; Filter; OBJECT AUTHENTICATION; ENCRYPTION; TRANSFORMS;
D O I：
10.1016/j.optcom.2017.04.042
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The ghost imaging can perform Fourier-space filtering by tailoring the configuration. We proposed a novel optical secure image verification system based on this theory with the help of phase matched filtering. In the verification process, the system key and the ID card which contain the information of the correct image and the information to be verified are put in the reference and the test paths, respectively. We demonstrate that the ghost imaging configuration can perform an incoherent correlation between the system key and the ID card. The correct verification manifests itself with a correlation peak in the ghost image. The primary image and the image to be verified are encrypted and encoded into pure phase masks beforehand for security. Multi-image secure verifications can also be implemented in the proposed system.
引用
收藏
页码：98 / 103
页数：6
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